The Stroop effect is a phenomenon where it takes longer to name a word's colour when the text colour doesn't match the word.

When presented with a word like "red" printed in blue ink, you have to actively suppress the urge to read the word "red" and instead focus on the colour of the ink (blue), which takes more ...

If you do not have the Shockwave plug-in, a non-shockwave demonstration of the Stroop Effect is also available. For instructions on downloading the Shockwave plug-in, take a look at the NOVA ...

If you're about to compete in a triathlon, it will make you both faster and smarter, according to two recent studies. The latest research involved 13 triathletes, a cognitive test called the Stroop ...

Today’s optical illusion puzzle will put your observation skills to the test! In a bag full of identical balls marked with the number 5, a single ball hides a sneaky 3. Can you spot it? This tricky ...